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H9151

Sigma-Aldrich

Hexadecyltrimethylammonium bromide

BioXtra, ≥99%

Synonym(s):

CTAB, Cetrimonium bromide, Cetyltrimethylammonium bromide, Palmityltrimethylammonium bromide

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About This Item

Linear Formula:
CH3(CH2)15N(Br)(CH3)3
CAS Number:
Molecular Weight:
364.45
Beilstein/REAXYS Number:
3598189
EC Number:
MDL number:
UNSPSC Code:
12352201
PubChem Substance ID:
NACRES:
NA.21
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description

cationic

Quality Level

product line

BioXtra

assay

≥99%

form

crystalline
powder or crystals

mol wt

micellar avg mol wt 62,000

aggregation number

170

impurities

≤0.001% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

pH

5.0-7 (25 °C, 36.4 g/L)

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Application

Hexadecyltrimethylammonium bromide has been used:
  • in gold nanorods preparation
  • as an additive in Ugi reaction
  • as a surfactant
  • for homogenisation of intestinal tissues for myeloperoxidase activity

Biochem/physiol Actions

Hexadecyltrimethylammonium bromide also called cetyltrimethylammonium bromide (CTAB), is a cationic surfactant. CTAB is employed for extraction of DNA. CTAB method is efficient, cost and time effective for DNA extraction. CTAB is used as a shaping material and reducing agent for nanoparticle generation.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 Oral - STOT SE 3

target_organs

Gastrointestinal tract, Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

471.2 °F - closed cup

flash_point_c

244 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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